Finding the Fourth Proportional to 179,543.20, 269,317.14 and 86,027.08
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Solution
The fourth proportional to 179,543.20, 269,317.14 and 86,027.08 is: 129,041.74
Step by Step Solution
- Step 1: Write the proportion equation
179,543.20 : 269,317.14 = 86,027.08 : x - Step 2: Convert to fraction form
179,543.20/269,317.14 = 86,027.08/x - Step 3: Cross multiply
179,543.20x = 269,317.14 × 86,027.08 - Step 4: Simplify right side
179,543.20x = 23,168,567,148.15 - Step 5: Solve for x
x = 23,168,567,148.15/179,543.20 - Step 6: Final answer
x = 129,041.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.